Hatch, D J Tracheal tubes and connectors used in neonates--dimensions and resistance to breathing. [electronic resource] - British journal of anaesthesia Sep 1978 - 959-64 p. digital Publication Type: Journal Article ISSN: 0007-0912 Standard No.: 10.1093/bja/50.9.959 doi Subjects--Topical Terms: HumansInfant, NewbornIntubation, Intratracheal--instrumentationPulmonary Ventilation